100 10x13 Purple Poly Mailers...

ValueMailers
$11.95
Amazon Prime
100 12x15.5 WHITE POLY MAILERS...

ValueMailers
$11.93
Amazon Prime

10x13 Yellow & Orange Butterflies...

UpakNShip
$12.95
Amazon Prime
TheBoxery LUX® Poly Mailers 100 Pack...

The Boxery
$7.95
Amazon Prime
TheBoxery Kraft Padded Bubble Mailers...

The Boxery
$5.95
Amazon Prime